Chemical Mystery #20: Magic Kool-Aid
Tom Kuntzleman | Mon, 07/11/2022 - 10:05
You can solve Chemical Mystery #20 if you know your chemistry...and your magic!
Acids and Bases
Can Alkaline Water Change Body pH?
Tom Kuntzleman | Mon, 05/09/2022 - 08:13
Can Alkaline Water Change the pH of your body? We use chemistry to put this claim to the test!
Solution to Chemical Mystery #19: Multi-colored Mixture
Tom Kuntzleman | Sun, 02/06/2022 - 13:22
Did you figure out how to create a multi-colored mixture? Check out the solution to Chemical Mystery #19: Multi-colored Mixture!
Lesson to determine the relationships between acid strength, Ka, pH, Molarity, and percent ionization
Kristen Drury | Tue, 05/18/2021 - 06:26
After teaching the concepts and calculations for acid and base strength, concentration, percent ionization, and pH I noticed many of my students were struggling to make meaningful connections between these calculations.This lesson was created to strengthen the understanding of the relationships between these concepts and skills.
Color Changing Coke and Mentos
Tom Kuntzleman | Wed, 09/02/2020 - 03:07
What's a better way to start the new school year than with some new experiments? Learn how to use a variety of color changing experiments to teach students about the Diet Coke and Mentos experiment, acids, bases, chemical and physical changes, and climate change.
Demonstrating the Effect of a Strong Acid or Base on a Buffer System
Dan Meyers | Tue, 06/12/2018 - 07:31
How do you demonstrate how a buffer system works? I did some brainstorming, devised a plan and it went well. This post is a description of what I did.
Do you have a favorite acid-base titration lab?
Allison Tarvin | Sat, 03/11/2017 - 10:11
HCl and NaOH, a strong acid - strong base titration? Citric acid and NaOH, a weak, triprotic acid - strong base titration? Do your students standardize the NaOH solution as a first step?